Context
The core value proposition of CPaaS is that it simplifies access to communications so that developers can embed omnichannel, intelligent communications in software and business processes.
The early adopters of CPaaS tended to be developers in digital native enterprises, who used it for A2P and person-to-person (P2P) communications over channels such as SMS and voice for simple use cases, such as sending OTPs, delivery notifications, and appointment reminders. For such use cases, enterprises required CPaaS platforms to provide at a minimum, API-based access to these channels, support for regulatory compliance, and developer support.
Over time, developers and nontechnical users in all types of enterprises — from digital natives to ISVs and brick-and-mortar companies — have embraced CPaaS. Users rely on CPaaS not only for basic use cases, but also as an essential component of a suite of technologies to engage customers, improve customer experience, perform marketing and sales activities, and for digital transformation of business processes. This suite includes, in addition to CPaaS, adjacent technologies such as CCaaS, CRM CEC, digital customer service (DCS), and marketing automation.
To support such use cases, CPaaS platforms have evolved to provide more advanced features. These include API-based access to video and email, advanced messaging channels such as RCS and WhatsApp, and omnichannel orchestration. They also include AI use cases with conversational AI, generative AI, and agentic AI, and increased integrations with enterprise systems and SaaS applications.
Given the importance of CPaaS in enterprise operations, users expect CPaaS vendors to provide high levels of platform scalability, reliability, and availability, strong customer support, effective customer success programs, robust data security, and support for regulatory compliance. Multinational organizations also expect CPaaS platforms to support them across geographies by providing seamless connectivity to communications channels and local sales and support. With the growing incidence of fraud and security threats, users also place high value in CPaaS capabilities in fraud management, security, identity, trust, verification, and branded calling and messaging.
Users also expect CPaaS vendors to have strong partner networks that provide access to professional services and system integration services.
CPaaS vendors have invested in their AI capabilities by offering conversational AI and GenAI-based tools for a variety of use cases, such as creating and deploying virtual assistants, content creation for customer engagement and marketing, sentiment analysis, and natural language processing. CPaaS platforms offer low-code/no-code builders for facilitating these use cases. They also integrate with a number of AI tools from partners such as LLMs, testing tools, observability tools, and TTS and STT models.
Increasingly, CPaaS vendors are also adding agentic AI capabilities. They are doing this on two fronts. First, many CPaaS vendors are providing tools to build and deploy autonomous AI agents that can perform a number of tasks related to customer engagement and workflow orchestration. These vendors have expanded their low-code/no-code tools to now build agentic AI use cases in addition to GenAI ones. The second front for agentic AI innovation for CPaaS platforms is to provide tools such as MCP servers and support for standard protocols, such as MCP and agent-to-agent (A2A) to enable third-party AI agents to discover, request, and use CPaaS capabilities including communication channels.
Market Definition
Gartner defines communications platform as a service (CPaaS) as a cloud-based platform that enables businesses to embed a range of communications capabilities into applications over channels such as voice, SMS, email, messaging apps, and video. They also provide conversational capabilities, security, authentication, and automation. CPaaS delivers omnichannel, programmable experiences to enhance digital customer engagement. In 2026 and beyond, CPaaS aims to offer deeper capabilities, such as customer journey analytics, automation, personalization, and omnichannel engagement driven by AI and 5G.
The purpose of CPaaS is to enable enterprises to enhance their communication workflows by providing simplified access to multiple communication capabilities without requiring the complex architectures typically needed to leverage these channels.
CPaaS enables enterprises to shorten the time to market for new products and services, personalize communications, and orchestrate customer journeys across multiple channels. It delivers digital engagement and operationalizes customer experience, while also driving business efficiencies at scale with digital service delivery. It is modular/composable in design and can expand from initial single use cases to many others as additional business units learn of its value.
CPaaS enables a multitude of use cases, such as:
Basic notifications
Marketing communications
Conversational customer experience
Global enterprise support
Customer support
Vertical and horizontal use cases, such as campaign management, telemedicine, remote learning, e-commerce, and field services
CPaaS capabilities can also be consumed in a wholesale model, powering third-party cloud vendor offerings, such as contact center, CRM, multichannel marketing, and ERP. There are also wholesale use cases in which CPaaS providers wholesale communications to each other and to telecom service providers.
Mandatory Features
Mandatory features include:
A standard set of core CPaaS communications APIs for:
Voice calls (SIP)
SMS
Local and global direct inward dialing (DID)
Identity confirmation, such as two-factor authentication (2FA)/multifactor authentication (MFA), and flash calling
At least two other rich communications channels, such as Google Rich Communication Services (RCS), Apple Messages for Business, Multimedia Messaging Service (MMS), WhatsApp Business or WeChat
AI-powered bots with conversational capabilities, at least for voice and/or chat
The ability to integrate with GenAI models, including foundational models and large language models (LLMs)
Customer service and support for CPaaS capabilities, including customer onboarding; technical support; and usage; and real-time dashboards, delivery insights, and engagement metrics.
Optional Features
Optional or more-advanced CPaaS capabilities (of which a vendor may not have all) include:
Messaging channel APIs, such as in-app/in-website messages and push notifications; additional rich communications channels such as Microsoft Teams, LINE, Viber, Telegram, Instagram, Direct Messages on X, Discord, or Snapchat; or email, each of which can be provided with an omnichannel and orchestrated capability that may leverage AI (including generative AI)
Conversational bots, based on traditional enterprise conversational AI or GenAI, which can be personalized and contextualized using customer data from a client CRM and/or customer data platform (CDP).
Advanced voice APIs:
Emergency/E911 communications
Audioconferencing
Call queuing
Interactive voice response (IVR)
AI workflow automation with smart routing, dynamic IVR and self-service flows
Music on hold
Speech to text (STT) and text to speech (TTS)
Natural language processing (NLP)-based sentiment analysis
Call recording
Branded calling
Click to call
WebRTC
Video channel:
Programmable video APIs, such as video streaming
In-app video service
Video know your customer (KYC)
Real-time transcription and language translation during live video sessions
Facial recognition
Advanced security and privacy:
Voice-facial-finger biometrics
Call risk scoring
SIM verification
Silent mobile verification
Call/delivery analytics
Call tracking
Dynamic route capabilities
Antiphishing and anti-spam
Phone number anonymization/number masking
Automated compliance audits
API rate limiting and throttling
AI-driven anomaly detection
Fraud detection and authentication using voice biometrics
Programmable wireless, including e-SIMs
Internet of Things (IoT)-packaged solution APIs
Device-to-cloud communication APIs
SMS, WhatsApp notifications for IoT sensor events
Voice-control APIs for smart devices
Video streaming APIs for cameras
Network APIs, including one or more from those defined by CAMARA or GSMA’s Open Gateway Initiative
Other APIs for payments
CDPs:
Aggregate customer data from multiple sources
Creating customer profiles for personalized engagement
Audience segmentation based on behavior, demographics, and preferences, preferably AI-driven
AI-powered messaging personalization, next best action, and recommendations using CDP data
Customer journey analytics
Agentic AI capabilities:
Orchestration of GenAI models
Intelligent call routing based on the intent and past interactions
Autonomous customer journey orchestration, such as onboarding, troubleshooting across channels without human intervention
Voice and visual AI agents that combine voice bots with visual elements like RCS carousels for richer interactions
Support for third-party add-ons and integration through a vendor and partner marketplace
Advanced support for visual builders, customer success programs, compliance (vertical/horizontal), and developer activities (such as events, certifications, and blogs)
Support for horizontal (such as campaign management) or vertical use-case scenarios (such as banking, healthcare, logistics, and retail)
Critical Capabilities Definition
Messaging
This includes the functionality to use APIs, SDKs, and IDEs to send and receive communications over SMS, MMS, email, and advanced messaging channels.
Advanced messaging channels include WhatsApp, WeChat, Facebook Messenger, LINE, Viber, Telegram, KakaoTalk, RCS, Google Business Messages, and Apple Messages for Business.
This capability also includes support for seamless customer communications across multiple channels to provide customers with a consistent and frictionless experience, as well as to personalize and contextualize communications.
Voice
This includes the functionality to use APIs, SDKs, and IDEs to send and receive communications over the voice channel, as well as advanced voice capabilities.
Advanced voice capabilities include IVR, intelligent IVR, emergency or E911, call scoring, audioconferencing, call queuing, music on hold, multimedia, speech-to-text, NLP, call recording, sentiment analysis, as well as branded calling.
Video
This includes the functionality to use APIs, SDKs and IDEs to incorporate video into applications for one- or two-way, one-to-one or many-to-many communications.
Advanced Security
This includes support for advanced communications security features, such as those for identity management, fraud detection and prevention, voice-facial-finger biometrics, call risk scoring, and SIM verification, along with call/delivery analytics, call tracking and dynamic route capabilities.
Integrations
This includes support for integrating with third-party systems, including CCaaS, CRM, ERP, EHR, ITSM, ticketing systems, and scheduling systems, as well as support for payments.
The support provided includes both out-of-the-box prebuilt integrations, and features developers can use to quickly build integrations.
Advanced Features
This includes support for advanced features such as CDP, omnichannel integration, support for GenAI and AI/NLP features, including chatbots and voicebots, and emerging features such as network APIs (Open Gateway/CAMARA), and support for communicating with IoT devices.
AI Features
This includes support for incorporating AI in communications through features such as access to AI development platforms, foundation/LLM models, NLP, sentiment analysis, and RAG.
It also includes low-code/no-code builders for building AI virtual assistants, and AI agents, support for agentic AI protocols, such as MCP or A2A, AI-driven personalization, and predictive analytics.
Conversational Experience
This includes templatized vertical- and horizontal-focused applications that customers can use out of the box by performing configuration activities, but without the need to perform development. Examples of such applications include telemedicine, remote learning, and campaign management.
Enterprise-Grade Capabilities
This measures the ability of the vendor to meet service-level standards and expectations pertaining to platform reliability, availability, scalability, business continuity, disaster recovery, and performance. It also covers customer support options and service-level agreements.
This capability includes support for storing and handling customer data securely, managing data privacy, and complying with applicable data security, privacy, and residency regulations. These include the General Data Protection Regulation (GDPR), the Federal Risk and Authorization Management Program (FedRAMP) and the U.S. Health Insurance Portability and Accountability Act (HIPAA).
Customer Success Orientation
This covers the ability of the vendor to help customers increase the value and usage of the CPaaS platform through various initiatives and resources. These include customer success programs, vendor/partner consulting, professional services, and SI partners to augment customers’ resources.
This capability also measures the extent to which the vendor supports an ecosystem of technology and professional services partners through marketplaces and partner programs.
Global Footprint
This covers the ability of the vendor to support basic and advanced communication channels in multiple geographies across the globe, provide developer support, and customer support, and comply with applicable regulations in those geographies.
Developer Orientation
This capability measures the support that the vendor provides to developers to facilitate use of the CPaaS platform for developing, testing, debugging, deploying and maintaining applications.
It covers developer-facing tools (APIs, SDKs, low-code/no-code visual builders), plus developer support and programs such as events, webinars, forums, and blogs.
Use Cases
Basic Communications
The use of messaging and communication channels to support A2P or P2P communications that are limited to simple one-way notifications or simple two-way communications.
Examples of channels include SMS, MMS, basic voice features, email and in-app messaging. Examples of business purposes for which such communications are used include appointment reminders, delivery notifications, OTPs for account sign-ups and logins, MFA, password resets, person-to-person chats, marketing messages, surveys, voting, and shared services (e.g., Uber).
Advanced Voice Communications
The use of advanced voice capabilities to build rich and engaging customer experiences that primarily use voice as a channel.
Along with enabling advanced voice-based experiences, this use case also consists of providing the required emergency calling services required by law, support for complying with local and national laws, and regulations governing the use of voice channels (e.g., Kari’s Law, RAY BAUM’S Act), and protection against fraud and spam.
Conversational Customer Experience
Combining basic communications, advanced messaging channels, and video to deliver richer customer experiences and engagement, not just notifications or information.
The purpose is to deliver enriched customer journeys. These journeys may also involve the use of chatbots and voicebots. Examples of business applications for which these conversational experiences may be used include customer acquisition, onboarding, upsell and cross-sell, e-commerce, and customer support. These experiences typically use the more sophisticated features and rich media capabilities provided by CDP, as well as advanced channels, advanced security, payments, and omnichannel orchestration.
Multinational Organizations Use
The ability to support large organizations or multinationals using the CPaaS platform.
This use case includes support of basic customer communications and/or complex customer interactions across multiple channels, and across a number of regions.
Video
This use case involves supporting integrated video capabilities that are tightly built into applications.
Examples include telemedicine, education, gaming, collaboration, video surveillance, and monitoring.